List of state leaders in 1809
Africa
- Ashanti Confederacy – Osei Bonsu, Asantehene
- Kingdom of Buganda – Semakokiro
- Bunyoro – Nyamutukura Kyebambe III, Omukama of Bunyoro
- Kingdom of Burundi – Ntare IV Rugamba
- Kingdom of Dahomey – Adandozan
- Ethiopian Empire – Egwale Seyon Hezqeyas
- Fulani Empire – Usman dan Fodio, Fulani Caliph
- Kingdom of Kaffa - Hoti Gaocho
- Mayotte – Suhali bin Salim, Sultan of Mayotte
- Sultanate of Ndzuwani – Alawi bin Husain
- Kingdom of Rwanda – Yuhi III
- Wadai Empire – Abd al-Karim Sabun, Sultan of Wadai
- Zulu – Senzangakona, King of the Zulu
Asia
- Afghanistan –
- * Kabul -
- *# Shoja Shah, King of Afghanistan
- *# Mahmud Shah, King of Afghanistan
- Ahom kingdom – Suklingphaa
- Alirajpur State - Pratap Singh I
- China - Jiaqing Emperor
- Jaora State - 'Abdu'l Ghafur Muhammad Khan
- Empire of Japan
- *Monarch – Kōkaku
- *Tokugawa shogunate – Tokugawa Ienari
- *Ryukyu Kingdom - Shō Kō
- Khanate of Kokand –
- #'Alim Khan
- #Muhammad 'Umar Khan
- Joseon – Sunjo
- Kingdom of Luang Phrabang - Anurutha
- Sultanate of the Maldives – Mu'in ad-Din I Muhammad
- Nepal – Girvan Yuddha Bikram Shah, Maharajadhiraja of Nepal
- Siam –
- # Rama I
- # Rama II
- Sikh Empire – Ranjit Singh, Maharaja
- Vietnam -
Europe
- Andorra –
- * Francesc Antoni de la Dueña y Cisneros, Bishop of Urgell
- * Napoleon I, Emperor of the French
- Austria - Francis I, Emperor of Austria *Note: Leader of Austria held the title of Archduke prior to 1804
- Kingdom of Bohemia – Francis
- Confederation of the Rhine
- * Kingdom of Bavaria – Maximilian I *Note: Leader of Bavaria held title of Elector prior to 1805
- ** Prime Minister – Count Maximilian Joseph von Montgelas
- * Kingdom of Saxony – Frederick Augustus I *Note: Leader of Saxony held the title of Elector prior to 1806
- *Kingdom of Westphalia – Jérôme Bonaparte
- * Kingdom of Württemberg – Frederick I *Note: Leader of Württemberg held the title of Elector prior to 1806, and the title of Duke prior to 1803
- Kingdom of Denmark–Norway
- * Monarch – Frederick VI
- * Minister of State - Christian Gunther
- Grand Duchy of Finland –
- *Monarch -
- *#Gustav IV Adolf
- *#Charles XIII
- *#Alexander I
- First French Empire – Napoleon
- Kingdom of Holland – Louis I
- Kingdom of Hungary – Francis
- Ottoman Empire
- * Sultan - Mahmud II
- *Grand Vizier -
- *# Çarhaci Ali Pasha
- *# Yusuf Ziyaüddin Pasha
- Kingdom of Portugal and the Algarves –
- *Monarch – Maria I
- *Prince-Regent – Prince John
- Kingdom of Prussia – Frederick William III
- * Chief Minister - Count Karl Friedrich Ferdinand Alexander zu Dohna-Schlobitten
- Russian Empire – Alexander I
- Kingdom of Spain – Joseph Bonaparte
- Kingdom of Sweden –
- #Gustav IV Adolf
- #Charles XIII
- United Kingdom of Great Britain and Ireland
- * Monarch – George III
- * Prime Minister -
- *#William Henry Cavendish-Bentinck, 3rd Duke of Portland
- *#Spencer Perceval
- Duchy of Warsaw – Frederick Augustus I
- Abu Dhabi – Shakhbut bin Dhiyab, Shaikh of Abu Dhabi
- Egypt – Muhammad Ali Pasha, Viceroy of Egypt
- Sultanate of Morocco – Slimane
- Persia – Fath Ali Shah
- Miskito Nation – George Frederic Augustus I, King of the Miskito Nation
- United States
- * Head of State/Government:
- *# Thomas Jefferson, President of the United States
- *# James Madison, President of the United States
Oceania
- Kingdom of Hawaii – Kamehameha I
- Kauai – Kaumualii, King of Kaua'i and Ni'ihau
